# Select API Quickstart Guide [![Slack](https://slack.min.io/slack?type=svg)](https://slack.min.io)

Traditional retrieval of objects is always as whole entities, i.e GetObject for a 5 GiB object, will always return 5 GiB of data. S3 Select API allows us to retrieve a subset of data by using simple SQL expressions. By using Select API to retrieve only the data needed by the application, drastic performance improvements can be achieved.

	if limit >= 100*humanize.TiByte {
		// No limit set, or unreasonably high. Ignore
		return 0
	}
	return limit
}

func availableMemory() (available uint64) {
	available = 2048 * blockSizeV2 * 2 // Default to 4 GiB when we can't find the limits.

	if runtime.GOOS == "linux" {
		// Honor cgroup limits if set.
		limit := cgroupMemLimit()
		if limit > 0 {
			// A valid value is found, return its 90%
			available = (limit * 9) / 10

        execute ->> code: gib das Resultat zurück
    end

    rect rgba(0, 255, 0, .1)
        code ->> function: say_hi(name="Rick", salutation="Mr.")
        function ->> execute: führe Code der Funktion aus
        execute ->> code: gib das Resultat zurück
    end

    rect rgba(0, 255, 255, .1)
        code ->> function: say_hi(name="Rick")
        function ->> code: gib das gespeicherte Resultat zurück
    end

			return
		}

		// Ensure that the object size is within expected range, also the file size
		// should not exceed the maximum single Put size (5 GiB)
		lengthRange := postPolicyForm.Conditions.ContentLengthRange
		if lengthRange.Valid {
			hashReader.SetExpectedMin(lengthRange.Min)
			hashReader.SetExpectedMax(lengthRange.Max)
		}
	}

- Improved the `FreeDiskSpaceFailed` warning event to provide more actionable details when image garbage collection fails to free enough disk space. Example: `Insufficient free disk space on the node's image filesystem (95.0% of 10.0 GiB used). Failed to free sufficient space by deleting unused images. Consider resizing the disk or deleting unused files.`. ([#132578](https://github.com/kubernetes/kubernetes/pull/132578), [@drigz](https://github.com/drigz))